/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.solr.handler.dataimport.scheduler;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.nio.file.Paths;
import java.util.Properties;

import org.apache.solr.core.SolrResourceLoader;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Used to load settings from global dataimport.properties<br>
 * See here for more info:<br>
 * http://wiki.apache.org/solr/DataImportHandler#SolrDataImportProperties
 * 
 * @author mbonaci
 */
public class SolrDataImportProperties {
	private Properties properties;

	public static final String SYNC_ENABLED = "syncEnabled";
	public static final String SYNC_CORES = "syncCores";
	public static final String SERVER = "server";
	public static final String PORT = "port";
	public static final String WEBAPP = "webapp";
	public static final String PARAMS = "params";
	public static final String INTERVAL = "interval";

	private static final Logger logger = LoggerFactory.getLogger(SolrDataImportProperties.class);

	public SolrDataImportProperties() {
		// loadProperties(true);
	}

	public void loadProperties(boolean force) {
		SolrResourceLoader loader = null;
		try {
			loader = new SolrResourceLoader(Paths.get("solr"));
			logger.info("Instance dir = " + loader.getInstancePath().toString());

			String configDir = loader.getConfigDir();
			configDir = SolrResourceLoader.normalizeDir(configDir);
			if (force || properties == null) {
				properties = new Properties();

				File dataImportProperties = new File(configDir, "dataimport.properties");

				FileInputStream fis = new FileInputStream(dataImportProperties);
				properties.load(fis);
			}
		} catch (FileNotFoundException fnfe) {
			logger.error("Error locating DataImportScheduler dataimport.properties file", fnfe);
		} catch (IOException ioe) {
			logger.error("Error reading DataImportScheduler dataimport.properties file", ioe);
		} catch (Exception e) {
			logger.error("Error loading DataImportScheduler properties", e);
		} finally {
			try {
				loader.close();
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
	}

	public String getProperty(String key) {
		return properties.getProperty(key);
	}
}
